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Question

Chemistry Question on Refining

German silver is

A

Cu+ZnCu + Zn

B

Cu+Zn+NiCu + Zn + Ni

C

Cu+Sn+NiCu+Sn+Ni

D

Cu+SnCu+Sn

Answer

Cu+Zn+NiCu + Zn + Ni

Explanation

Solution

German silver is Cu56%Cu \to 56\% Zn24%Zn \to 24\% Ni20%Ni \to 20\%